US201648A - Improvement in barrel-hoisting clamps - Google Patents

Improvement in barrel-hoisting clamps Download PDF

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Publication number
US201648A
US201648A US1878201648A US201648A US 201648 A US201648 A US 201648A US 1878201648 A US1878201648 A US 1878201648A US 201648 A US201648 A US 201648A
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Prior art keywords
barrel
hoisting
improvement
levers
bars
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/625—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for gripping drums or barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/422—Gripping members engaging only the external or internal surfaces of the articles actuated by lifting force

Definitions

  • the object of my invention is to furnish a simple, strong, durable, and conveniently-adjusted device for clamping and holding barrels while they are being hoisted.
  • the invention consists in the combination of two pairs of pivoted levers, connected at their lower ends by two curved or semicircular cross-bars, and connected at their upper ends to the opposite ends of a common crossbar by two pairs of connecting bars or. links, as will be hereinafter described.
  • Figure l is a side view
  • Fig. 2 is an end view (or seen at right angles to Fig. l) of my improved hoisting-clamp attached to a barrel and in position for use.
  • a A are the two members of a pair of levers, secured together at their centers by the pivot a.
  • B B are the two members of another pair of levers, secured together at their centers by the pivot b.
  • the lower ends of the two levers A B of the opposite pairs are connected together by the curved cross-bar G, bent in such manner as to be adapted to partially encircle a barrel, and the lower ends of the two levers A B are connected together by the cross-bar C, curved 7 similar to O.
  • the upper ends of the levers A A are pivoted to the lower ends of the connecting links or bars D D, respectively, the upper ends of which latter are secured by a common pivot, d, to one end of the cross-bar F.
  • the upper ends of the levers B B are pivoted to the lower ends of the connecting links or bars E E, respectively, the upper ends of which latter are secured by a common pivot, 11, to the other end of the cross-bar F.
  • the clamp should be let down over the barrel until the curved bars 0 0 get in position to'encircle and impinge upon the opposite sides of the barrel, below its center, as in Fig. 2.

Description

Ww-BULKELEY. Barrel Hoisting Glam-p No. 201,648. Patented March 26,1878.-
WITNESSES INVENTOR:
7%, BY A A ATTORNEYS UNITED STATES PATENT OFFICE.
WORTHINGTON BULKELEY, OF BALLSTON SPA, NEW YORK.
IMPROVEMENT IN BARREL-HOISTING CLAMPS.
Specification forming part of Letters Patent No. 201,648, dated March 26, 1878; application filed March 6, 1878.
To all whom it may concern:
Be it known that I, WORTHINGTON BULKE- LEY, of Ballston Spa, in the county of Saratoga and State of New York, have invented a new and Improved Barrel-Hoisting Clamp, of which the following is a specification:
The object of my invention is to furnish a simple, strong, durable, and conveniently-adjusted device for clamping and holding barrels while they are being hoisted.
The invention consists in the combination of two pairs of pivoted levers, connected at their lower ends by two curved or semicircular cross-bars, and connected at their upper ends to the opposite ends of a common crossbar by two pairs of connecting bars or. links, as will be hereinafter described.
In the accompanying drawings, Figure l is a side view, and Fig. 2 is an end view (or seen at right angles to Fig. l) of my improved hoisting-clamp attached to a barrel and in position for use.
Similar letters of reference indicate corresponding parts.
A A are the two members of a pair of levers, secured together at their centers by the pivot a. B B are the two members of another pair of levers, secured together at their centers by the pivot b.
The lower ends of the two levers A B of the opposite pairs are connected together by the curved cross-bar G, bent in such manner as to be adapted to partially encircle a barrel, and the lower ends of the two levers A B are connected together by the cross-bar C, curved 7 similar to O.
The upper ends of the levers A A are pivoted to the lower ends of the connecting links or bars D D, respectively, the upper ends of which latter are secured by a common pivot, d, to one end of the cross-bar F.
The upper ends of the levers B B are pivoted to the lower ends of the connecting links or bars E E, respectively, the upper ends of which latter are secured by a common pivot, 11, to the other end of the cross-bar F.
The above-described elements constitute, together, my improved hoisting-clamp for barrels.
To adjust it for use, the clamp should be let down over the barrel until the curved bars 0 0 get in position to'encircle and impinge upon the opposite sides of the barrel, below its center, as in Fig. 2.
The clamp being suspended by attaching the hoisting-rope to the ring and staple Gr, it is evident that the first effect of the hoisting will be to tighten the gripe of the clamp on the barrel, the firmness of the hold increasing with the weight of the barrel.
I do not limit myself to the exact form of any of the parts here sh0wn,as they may be varied without departing from my invention.
Having thus described my invention, I claim as new and desire to secure by Letters Patent The combination of the two pairs (A A and B B) of pivoted levers, connected at their lower ends by the two curved or semicircular cross-bars O O, and connected at their upper ends to the opposite ends of the common crossbar- F by two pairs (D D and E E) of connecting bars or links, substantially as and for the purpose set forth.
WORTHINGTON BULKELEY.
Witnesses:
S. O. MEDBERY, Guns. E. FITCHUM.
US1878201648 1878-03-06 1878-03-06 Improvement in barrel-hoisting clamps Expired - Lifetime US201648A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US1878201648 US201648A (en) 1878-03-06 1878-03-06 Improvement in barrel-hoisting clamps

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Application Number Priority Date Filing Date Title
US1878201648 US201648A (en) 1878-03-06 1878-03-06 Improvement in barrel-hoisting clamps

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US201648A true US201648A (en) 1878-03-26

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US1878201648 Expired - Lifetime US201648A (en) 1878-03-06 1878-03-06 Improvement in barrel-hoisting clamps

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2793905A (en) * 1955-05-26 1957-05-28 American Metal Co Ltd Sling for barrels and the like
US6036247A (en) * 1999-02-11 2000-03-14 Traffix Devices, Inc. Adjustable inner diameter barrel lifting assembly
WO2008084134A1 (en) 2007-01-12 2008-07-17 Raumaster Paper Oy Gripping for lifting material web rolls, particularly paper- and paperboard rolls

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2793905A (en) * 1955-05-26 1957-05-28 American Metal Co Ltd Sling for barrels and the like
US6036247A (en) * 1999-02-11 2000-03-14 Traffix Devices, Inc. Adjustable inner diameter barrel lifting assembly
WO2008084134A1 (en) 2007-01-12 2008-07-17 Raumaster Paper Oy Gripping for lifting material web rolls, particularly paper- and paperboard rolls
US20100014955A1 (en) * 2007-01-12 2010-01-21 Matti Lammi Gripping for lifting material web rolls, particularly paper- and paperboard rolls
US8485577B2 (en) * 2007-01-12 2013-07-16 Raumaster Paper Oy Gripping for lifting material web rolls, particularly paper-and paperboard rolls
EP2106382A4 (en) * 2007-01-12 2017-10-18 Raumaster Paper Oy Gripping for lifting material web rolls, particularly paper- and paperboard rolls

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